Holding(s) in Company

Antofagasta PLC
21 November 2007

                                        
                                Antofagasta plc
                                        
                TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

ANTOFAGASTA PLC ORD

2. Reason for the notification (please tick the appropriate box or boxes)
An acquisition or disposal of voting rights: ( X )

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( )

An event changing the breakdown of voting rights: ( )

Other (please specify): ( )

3. Full name of person(s) subject to the notification obligation:

AXA S.A. 25 Avenue Matignon, 75008 Paris and its group of companies

4. Full name of shareholder(s) (if different from 3.):

N/A

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

18 November 2007

6. Date on which issuer notified:

19 November 2007

7. Threshold(s) that is/are crossed or reached:

8. Notified details:

A: Voting rights attached to shares

Situation previous to the Triggering transaction


+------------------------+------------------------+------------------------+
|Class/type of shares    |    Number of Shares    |Number of Voting Rights |
|if possible using the   |                        |                        |
|ISIN CODE               |                        |                        |
+------------------------+------------------------+------------------------+
|0045614                 |       59,022,810       |       59,022,810       |
+------------------------+------------------------+------------------------+


Resulting situation after the triggering transaction

+---------------------+---------+--------------------+-------------------+
|Class/type of shares |Number of|  Number of voting  |% of voting rights |
|if possible using the| shares  |       rights       |                   |
|ISIN CODE            +---------+---------+----------+---------+---------+
|                     | Direct  | Direct  | Indirect | Direct  |Indirect |
+---------------------+---------+---------+----------+---------+---------+
|0045614              |3,366,106|3,366,106|55,875,350|  0.34   |  5.67   |
+---------------------+---------+---------+----------+---------+---------+

B: Financial Instruments

Resulting situation after the triggering transaction

+--------------+--------------+--------------+--------------+--------------+
|Type of       |Expiration    |Exercise/     |Number of     |% of voting   |
|financial     |date          |Conversion    |voting rights |rights        |
|instrument    |              |Period/ Date  |that may be   |              |
|              |              |              |acquired if   |              |
|              |              |              |the instrument|              |
|              |              |              |is exercised/ |              |
|              |              |              |converted.    |              |
+--------------+--------------+--------------+--------------+--------------+
|     N/A      |              |              |              |              |
+--------------+--------------+--------------+--------------+--------------+


Total (A+B)

+------------------------------------+------------------------------------+
|      Number of voting rights       |         % of voting rights         |
+------------------------------------+------------------------------------+
|             59,241,456             |               6.01%                |
+------------------------------------+------------------------------------+


9. Chain

        Name of the Company/Fund              Number of          % of issued
                                               Shares            share capital
                                                               
        AXA Ireland Pension Fund                    9,100           0.00092
                   Indirect

        AXA Sun Life plc                          107,529            0.01091
        With Profits
                    Direct


        AXA Sun Life plc                          181,249            0.01838
        AXA Rosenberg
                    Direct


        AXA UK Investment Co ICVC                 199,500            0.02024
        Global Growth Fund
                   Indirect


        PPP Healthcare Group plc                    9,255            0.00094
                    Direct


        AXA Institutional                           50,000            0.00507
        Equity Fund
                    Direct


        Sun Life Assurance Society Plc              64,000           0.00649
        With Profit
                    Direct


        AXA Insurance UK                            51,565           0.00523
        Managed
                    Direct


        AXA Financial, Inc                       52,041,148          5.27877
                   Indirect


        AXA Colonia Konzern                          342,167         0.03471
                    Direct


       Sun Life International (IOM) Ltd             100,000         0.01014
                    Direct


       AXA France                                    53,306         0.00541
                   Indirect


       AXA Rosenberg                              3,445,296         0.34947
                   Indirect


       AXA Financial, Inc*                          111,000         0.01126
                   Indirect


       Sun Life Pension Management Ltd                7,000         0.00071
                    Direct


       AXA Sun Life                                  97,096         0.00985
       LTAV UK Equity Life
                    Direct


      AXA Sun Life                                 167,400         0.01698
      ABL High Alpha Life
                    Direct


      AXA Sun Life                                  67,104         0.00681
      FTSE All Share Tracker Life
                    Direct


      AXA Sun Life                                 300,000         0.03043
      LTAV UK Equity Pension
                    Direct


     AXA Sun Life                                 770,700         0.07818
     ABL High Alpha Pension
                    Direct


     AXA Sun Life                                 343,658          0.03486
     FTSE All Share Tracker Pension
                    Direct


     AXA Framlington onshore private clients       16,000          0.00162
                   Indirect


     AXA Winterthur                               280,209          0.02842
                    Direct


     AXA Sun Life with Profits Passive            263,375          0.02672
                    Direct


     Sun Life Ass Soc with Profit Passive         163,799          0.01661
                    Direct


                    Total Direct                 3,366,106         0.34144                               
                    Total Indirect              55,875,350         5.66769            

                    TOTAL                       59,241,456         6.00913


Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

N/A

14. Contact name:

Terry Marsh

15. Contact telephone number:

020 7003 2637




                      This information is provided by RNS
            The company news service from the London Stock Exchange
            BUGDGGRB